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发明名称
PRODUCTION OF DIRECTIONAL COUPLER OF OPTICAL FIBER TYPE
摘要
申请公布号
JPH0821926(A)
申请公布日期
1996.01.23
申请号
JP19940173177
申请日期
1994.07.04
申请人
HITACHI CABLE LTD
发明人
SATO TERUTSUGU
分类号
G02B6/28;(IPC1-7):G02B6/28
主分类号
G02B6/28
代理机构
代理人
主权项
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